/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package Servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author smng2095
 */
@WebServlet(name = "dispatcheur", urlPatterns = {"/dispatcheur"})
public class dispatcheur extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        if (request.getSession()==null){
        redirectToSite(request,response,"index.jsp"); 
         } else if (request.getSession().getAttribute("authentified")==null){     
            redirectToSite(request,response,"connexion"); 
            
         }else if (((String)request.getSession().getAttribute("authentified")).equalsIgnoreCase("yes")){     
            redirectToSite(request,response,"recuperationIP"); 
            
         }else if (((String)request.getSession().getAttribute("authentified")).equalsIgnoreCase("no")){
            request.getSession().invalidate();
           redirectToSite(request,response,"index.jsp"); 
        } else if ( (request.getParameter("password").equalsIgnoreCase("")) &&(request.getParameter("login").equalsIgnoreCase("")) && request.getSession().getAttribute("authentified")==null ) {
            redirectToSite(request,response,"index.jsp"); 
            
        } else if ( request.getSession().getAttribute("authentified")==null ) {
            redirectToSite(request,response,"connexion"); 
        
       
        }  else {
            redirectToSite(request,response,"index.jsp"); 
        }
        
    }
    
    /**
     *
     * @param request
     * @param response
     * @param site
     * @throws Exception
     */

    /**
     *
     * @param request
     * @param response
     * @param site
     * @throws Exception
     * @throws javax.servlet.ServletException
     */

    /**
     *
     * @param request
     * @param response
     * @param site
     * @throws Exception
     * @throws javax.servlet.ServletException
     * @throws java.io.IOException
     */
    public  void redirectToSite(HttpServletRequest request, HttpServletResponse response, String site) throws ExceptionInInitializerError, ServletException, IOException {
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/"+site);
                        dispatcher.forward(request, response);
                        return;
    } 
    

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
